United States Amy Rank Abbreviations and Acronyms

1. P
   First Class
2. STSN
   SONAR TECHNICIAN SEAMAN
3. NCK
   NATIVE COOK
4. CST
   CHIEF STEWARD
5. C2C
   NAVAL ACADEMY MIDSHIPMAN JUNIOR 2ND CLASS
6. cescr
   CONSTRUCTION ELECTRICIAN'S MATE (SHOP) CONSTRUCTIONMAN RECRUIT
7. COS
   CHIEF OPERATIONS SPECIALIST
8. ISSA
   INTELLIGENCE SPECIALIST SEAMAN APPRENTICE
9. f
   First Class
10. Corp.
    Corporal
11. SPOC
    SPECIALIST (MAILMAN) CHIEF PETTY OFFICER
12. M1
    METALSMITH 1ST CLASS PETTY OFFICER
13. CCMA
    CHIEF CARPENTER'S MATE (AVIATION)
14. ACM
    Aviation Chief Metalsmith
15. MASA
    MACHINE ACCOUNTANT SEAMAN APPRENTICE
16. SPPC
    SPECIALIST (PHOTOGRAPHIC) CHIEF PETTY OFFICER
17. ACOM
    Aviation Chief Ordnanceman
18. PHOTOGRAPHR
    Photographer
19. CSSN
    COMMISSARYMAN SEAMAN
20. CSSA
    COMMISSARYMAN SEAMAN APPRENTICE

Last updated: May 24, 2020 — Total entries: 3,362